private void btnRejectLeave_Click(object sender, RoutedEventArgs e) { int leaveid = int.Parse(txtLeaveId.Text); bool isrejected = leaveBLL.RejectLeaveBLL(leaveid); txtLeaveId.Text = ""; if (isrejected) { MessageBox.Show("Leave request for Id : " + leaveid + " Rejected successfully"); // dgLeaveAproveReject.DataContext = leaveBLL.ListOfAllLeavesForAproveRejectBLL(EmployeeEntity.EmployeeID); } else { MessageBox.Show("Something went wrong with leave id : " + leaveid); } }